IWMSContentDescriptionList.RemoveValueFromAllDescriptions (C#)

IWMSContentDescriptionList.RemoveValueFromAllDescriptions (C#)

The RemoveValueFromAllDescriptions method removes a specific property from all the content description contexts in the description list.

Syntax

Parameters

pstrName

string specifying the name portion of the name-value pair in the context to be removed.

lNameHint

int containing an optional key that can be used to more efficiently access the value.

lOptions

Reserved for future use.

Return Values

This method does not return a value.

Example Code

Guid ContextGuid = typeof(IWMSContext).GUID;
Guid ContentDescListGuid = typeof(IWMSContentDescriptionList).GUID;
IWMSContext                 Context;
IWMSContentDescriptionList  ContentDescList;
IntPtr                      pUnknown;
            
try
{          
    m_ClassFactory.AllocIWMSContext(ref ContextGuid,
                                   WMS_CONTEXT_TYPE.WMS_USER_CONTEXT_TYPE,
                                   pUserContext, out pUnknown);
    Context = (IWMSContext)Marshal.GetTypedObjectForIUnknown(pUnknown,
                                                     typeof(IWMSContext));
            
    m_ClassFactory.CreateInstance(ref ContentDescListGuid, out pUnknown);
    ContentDescList =
            (IWMSContentDescriptionList)Marshal.GetTypedObjectForIUnknown(
                            pUnknown, typeof(IWMSContentDescriptionList));

    Context.SetStringValue(WMSDefines.WMS_CONTENT_DESCRIPTION_TITLE,
                           WMSDefines.WMS_CONTENT_DESCRIPTION_TITLE_ID,
                           "My Title", 0);
    Context.SetLongValue(WMSDefines.WMS_CONTENT_DESCRIPTION_NO_SKIP,
                         WMSDefines.WMS_CONTENT_DESCRIPTION_NO_SKIP_ID,
                         1, 0);

    ContentDescList.AppendDescription("en-us", Context);
    ContentDescList.RemoveValueFromAllDescriptions("author", 2, 0);
}
catch( Exception e )
{
    // TODO: Handle exceptions.
}

Requirements

Reference: Add a reference to Microsoft.WindowsMediaServices.

Namespace: Microsoft.WindowsMediaServices.Interop.

Assembly: Microsoft.WindowsMediaServices.dll.

Library: WMSServerTypeLib.dll.

Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.

See Also

• IWMSContentDescriptionList Object (C#)